How to call a function or method of one web form to other web form using asp.net

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Hi,

Is it possible to inherit the method? If yes,may I know how to call a function or method of one web form to other web form using asp.net to avoid code length.

Posted 4-Jul-12 20:02pm

Mukunda Raj

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Rahul Rajat Singh · Answer 1 · 2012-07-04T20:06:00

I would recommend that you move the common code outside of these forms and use it from both the forms.

still if you need to call the method from page itself, you will have to use XMLHTTPRequest to call the page with some specific query string and get the result back as response. doing this would involve a lot of client side code.

The better option from design and usability standpoint would be to move the common code outside both the forms.

P.S. never use inheritance for code resue. inheritance should only be used when you have an is-a relationship between entities. (all other uses of inheritance is wrong by design ans sooner ot later surface a lot of problems)

OriginalGriff · Answer 2 · 2012-07-04T20:09:00

Solution 2

The only time you would want to do that is if the method is static - if it wasn't then it would require an instance of the other form to work from as the this reference. Since you are unlikely to have that instance in a web situation, static is the only real way to go.

In that case, why not remove the method from both forms, and add it to a DLL which both reference? The advantage is that it separates common code from being tied to any particular form, so if you decide FormB is no longer needed, you can delete it without breaking FormA and FormE later on.

Posted 4-Jul-12 20:09pm

OriginalGriff

Comments

Mukunda Raj 5-Jul-12 2:16am

Thank you..
Could you please give an example how to add method to DLL and referencing them??

OriginalGriff 5-Jul-12 2:35am

Easy! It's just a class library project. There is a walkthough on MSDN: http://msdn.microsoft.com/en-us/library/cc668164.aspx

Mohd Imran Saifi 5-Jul-12 2:30am

can you give a sample example code of building dll and use it.

OriginalGriff 5-Jul-12 2:38am

See my reply above.

Pranay Rana · Answer 3 · 2012-07-04T20:30:00

F#

Its better you create one class in App_code folder and than create instance of calss and than than call method of the class from both web from...that will do for you

Example

put this class in App_code folder

C#

public class Common
{
 public void MyFunction()
 {

  }
}

use this in you webform

C#

web from 1 
public class webform1
{
  public void myfunctioncall()
  {
    new Common().MyFunction
  }
}

web from 2
public class webform2
{
  public void myfunctioncall()
  {
    new Common().MyFunction
  }
}

Abdirizak Mohamed · Answer 4 · 2015-05-15T22:33:00

1 : Function or Method(s) Should be have Public Static ;
2 : then Go the form you want to access this Method;
3 : then Access by FormName.MethodeName;

Example :
:) The Name of Web form in Method or Function Assume is Registration;
:) Assume The Method or Function Name is EmpRegistration;
:) Go to the Form and Calling Place you want to Access the Method or Function
:) Then Type Registration.EmpRegistration (in Calling Place)
:) Then Simple You can access Your Function or Method.

I Hope This will Help you.
Thanks

How to call a function or method of one web form to other web form using asp.net

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